forked from Archive/PX4-Autopilot
150 lines
4.6 KiB
C
150 lines
4.6 KiB
C
/****************************************************************************
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* px4/sensors/test_gpio.c
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*
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* Copyright (C) 2012 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <debug.h>
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#include <arch/board/board.h>
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#include "tests.h"
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#include <math.h>
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#include <float.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Types
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: test_led
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****************************************************************************/
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typedef union {
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int32_t i;
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int64_t l;
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uint8_t b[8];
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} test_32_64_t;
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int test_int(int argc, char *argv[])
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{
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int ret = 0;
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printf("\n--- 64 BIT MATH TESTS ---\n");
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int64_t large = 354156329598;
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int64_t calc = large * 5;
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if (calc == 1770781647990) {
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printf("\t success: 354156329598 * 5 == %lld\n", calc);
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} else {
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printf("\t FAIL: 354156329598 * 5 != %lld\n", calc);
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ret = -1;
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}
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fflush(stdout);
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printf("\n--- 32 BIT / 64 BIT MIXED MATH TESTS ---\n");
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int32_t small = 50;
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int32_t large_int = 2147483647; // MAX INT value
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uint64_t small_times_large = large_int * (uint64_t)small;
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if (small_times_large == 107374182350) {
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printf("\t success: 64bit calculation: 50 * 2147483647 (max int val) == %lld\n", small_times_large);
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} else {
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printf("\t FAIL: 50 * 2147483647 != %lld, 64bit cast might fail\n", small_times_large);
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ret = -1;
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}
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fflush(stdout);
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if (ret == 0) {
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printf("\n SUCCESS: All float and double tests passed.\n");
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} else {
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printf("\n FAIL: One or more tests failed.\n");
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}
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printf("\n");
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return ret;
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}
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